<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404</title>
    <style type="text/css">
        body {
            /*background-color: #ff7f2e;*/
            background-color: #20211c;
            font-family: "Concert One", cursive;
            margin: 0;
            overflow: hidden;
            padding: 0;
        }

        /*/////////////////// rules */
        /*/////////////////// scene */
        .text {
            left: 50%;
            position: absolute;
            top: 50%;
            transform: translate(-50%, -50%);
            /*color: rgba(19, 36, 44, 0.1);*/
            color: rgba(24, 25, 21, 1);
            font-size: 30em;
            text-align: center;
            top: 40%;
        }

        .container {
            left: 50%;
            position: absolute;
            top: 50%;
            transform: translate(-50%, -50%);
            height: 300px;
            width: 500px;
        }
        .container:after {
            position: absolute;
            content: "";
            background-color: rgba(19, 36, 44, 0.1);
            border-radius: 12px;
            bottom: 40px;
            height: 12px;
            left: 80px;
            width: 350px;
            z-index: -1;
        }

        /*/////////////////// caveman */
        .caveman {
            height: 300px;
            position: absolute;
            width: 250px;
        }

        .caveman:nth-child(1) {
            right: 20px;
        }

        .caveman:nth-child(2) {
            left: 20px;
            transform: rotateY(180deg);
        }

        .head {
            position: absolute;
            background-color: #13242c;
            border-radius: 50px;
            height: 140px;
            left: 60px;
            top: 25px;
            width: 65px;
        }
        .head:after, .head:before {
            content: "";
            position: absolute;
            background-color: #13242c;
            border-radius: 10px;
            height: 20px;
            width: 7px;
        }
        .head:after {
            left: 35px;
            top: -8px;
            transform: rotate(20deg);
        }
        .head:before {
            left: 30px;
            top: -8px;
            transform: rotate(-20deg);
        }
        .head .eye {
            left: 50%;
            position: absolute;
            transform: translateX(-50%);
            background-color: #eab08c;
            border-radius: 50px;
            height: 16px;
            left: 45%;
            top: 40px;
            width: 48px;
        }
        .head .eye:after, .head .eye:before {
            content: "";
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: #13242c;
            border-radius: 50%;
            height: 5px;
            width: 5px;
        }
        .head .eye:after {
            left: 5px;
        }
        .head .eye:before {
            right: 9px;
        }
        .head .eye .nose {
            left: 50%;
            position: absolute;
            top: 50%;
            transform: translate(-50%, -50%);
            background-color: #d9766c;
            border-left: 8px solid rgba(19, 36, 44, 0.1);
            border-radius: 10px;
            box-sizing: border-box;
            height: 35px;
            left: 45%;
            top: 12px;
            width: 15px;
        }

        .shape {
            left: 50%;
            position: absolute;
            transform: translateX(-50%);
            border-radius: 50%;
            height: 140px;
            overflow: hidden;
            top: 70px;
            width: 140px;
        }
        .shape .circle {
            position: absolute;
            border-radius: 50%;
            height: 60px;
            width: 60px;
        }
        .shape .circle:after, .shape .circle:before {
            content: "";
            position: absolute;
            border-radius: 50%;
            height: 20px;
            width: 20px;
        }
        .shape .circle:after {
            left: 50px;
            top: 10px;
        }
        .shape .circle:before {
            left: 60px;
            top: 45px;
        }
        .shape .circle:nth-child(1) {
            left: -12px;
            top: 80px;
        }
        .shape .circle:nth-child(2) {
            right: 10px;
            top: 0px;
            transform: rotate(90deg);
        }
        .shape .circle:nth-child(2):after {
            left: 65px;
            top: 10px;
        }
        .shape .circle:nth-child(2):before {
            display: none;
        }

        .caveman:nth-child(1) .shape {
            background-color: #d13433;
        }
        .caveman:nth-child(1) .shape .circle {
            background-color: #932422;
        }
        .caveman:nth-child(1) .shape .circle:after, .caveman:nth-child(1) .shape .circle:before {
            background-color: #932422;
        }

        .caveman:nth-child(2) .shape {
            background-color: #932422;
        }
        .caveman:nth-child(2) .shape .circle {
            background-color: #d13433;
        }
        .caveman:nth-child(2) .shape .circle:after, .caveman:nth-child(2) .shape .circle:before {
            background-color: #d13433;
        }

        .arm-right {
            position: absolute;
            background-color: #eab08c;
            border-left: 8px solid rgba(19, 36, 44, 0.1);
            border-radius: 50px;
            box-sizing: border-box;
            height: 180px;
            left: 135px;
            top: 80px;
            transform-origin: 30px 30px;
            width: 60px;
            z-index: 1;
        }
        .arm-right .club {
            position: absolute;
            border-bottom: 110px solid #601513;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            height: 0;
            left: -60px;
            top: 120px;
            transform: rotate(70deg);
            width: 20px;
        }
        .arm-right .club:after, .arm-right .club:before {
            position: absolute;
            content: "";
            background-color: #601513;
            border-radius: 50%;
            left: 0;
        }
        .arm-right .club:after {
            height: 20px;
            width: 20px;
            top: -10px;
        }
        .arm-right .club:before {
            height: 40px;
            width: 40px;
            left: -10px;
            top: 90px;
        }

        .leg {
            position: absolute;
            border-radius: 10px;
            height: 55px;
            top: 200px;
            width: 10px;
        }
        .leg:after {
            position: absolute;
            content: "";
            border-radius: 50%;
            height: 10px;
            left: -5px;
            top: 15px;
            width: 10px;
        }
        .leg .foot {
            position: absolute;
            border-radius: 25px 25px 0 0;
            height: 25px;
            left: -38px;
            top: 30px;
            width: 50px;
        }
        .leg .foot:after, .leg .foot:before,
        .leg .foot .fingers,
        .leg .foot .fingers:after {
            position: absolute;
            background-color: #eab08c;
            border-radius: 50%;
            bottom: 0px;
            height: 15px;
            transform-origin: bottom;
            width: 15px;
        }
        .leg .foot:after {
            left: -6px;
            content: "";
        }
        .leg .foot:before {
            left: 8px;
            transform: scale(0.6);
            content: "";
        }
        .leg .foot .fingers {
            left: 15px;
            transform: scale(0.6);
        }
        .leg .foot .fingers:after {
            left: 11px;
            content: "";
        }

        .leg:nth-child(1) {
            background-color: #b2524d;
            left: 95px;
        }
        .leg:nth-child(1):after {
            background-color: #b2524d;
        }
        .leg:nth-child(1) .foot {
            background-color: #b2524d;
        }
        .leg:nth-child(1) .foot:after {
            background-color: #b2524d;
        }
        .leg:nth-child(1) .foot:before {
            display: none;
        }

        .leg:nth-child(2) {
            background-color: #d9766c;
            left: 115px;
        }
        .leg:nth-child(2):after {
            background-color: #d9766c;
        }
        .leg:nth-child(2) .foot {
            background-color: #d9766c;
        }

        /*/////////////////// animation */
        .caveman:nth-child(1) .arm-right {
            animation: arm-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
        }

        .caveman:nth-child(2) .arm-right {
            animation: arm-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
            animation-delay: 0.6s;
        }

        @keyframes arm-anima {
            0% {
                transform: rotate(0);
            }
            100% {
                transform: rotate(-360deg);
            }
        }
        .caveman:nth-child(2) .head {
            animation: head-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
        }

        .caveman:nth-child(1) .head {
            animation: head-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
            animation-delay: 0.6s;
        }

        @keyframes head-anima {
            0% {
                top: 25px;
            }
            42% {
                top: 25px;
            }
            45% {
                top: 50px;
            }
            100% {
                top: 25px;
            }
        }
        .caveman:nth-child(2) .eye:after,
        .caveman:nth-child(2) .eye:before {
            animation: eye-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
        }

        .caveman:nth-child(1) .eye:after,
        .caveman:nth-child(1) .eye:before {
            animation: eye-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
            animation-delay: 0.6s;
        }

        @keyframes eye-anima {
            0% {
                height: 5px;
            }
            42% {
                height: 5px;
            }
            45% {
                height: 1px;
            }
            100% {
                height: 5px;
            }
        }
        .container:after {
            animation: shadow-anima 1.2s infinite cubic-bezier(0.55, 0.01, 0.16, 1.34);
            animation-delay: 0.1s;
        }

        @keyframes shadow-anima {
            0% {
                width: 350px;
                left: 80px;
            }
            25% {
                width: 450px;
                left: 80px;
            }
            50% {
                width: 350px;
                left: 80px;
            }
            75% {
                width: 450px;
                left: 0px;
            }
            100% {
                width: 350px;
                left: 80px;
            }
        }
        /*/////////////////////// credit ////*/
        #link {
            bottom: 20px;
            color: #000;
            opacity: 0.2;
            display: flex;
            align-items: center;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }

        #link p {
            margin: 0;
            margin-left: 5px;
        }

        #link:hover {
            opacity: 1;
        }
    </style>
</head>
<body>
    <div class="text"><p>404</p></div>
    <div class="container">
        <!-- caveman left -->
        <div class="caveman">
            <div class="leg">
                <div class="foot"><div class="fingers"></div></div>
            </div>
            <div class="leg">
                <div class="foot"><div class="fingers"></div></div>
            </div>
            <div class="shape">
                <div class="circle"></div>
                <div class="circle"></div>
            </div>
            <div class="head">
                <div class="eye"><div class="nose"></div></div>
                <div class="mouth"></div>
            </div>
            <div class="arm-right"><div class="club"></div></div>
        </div>
        <!-- caveman right -->
        <div class="caveman">
            <div class="leg">
                <div class="foot"><div class="fingers"></div></div>
            </div>
            <div class="leg">
                <div class="foot"><div class="fingers"></div></div>
            </div>
            <div class="shape">
                <div class="circle"></div>
                <div class="circle"></div>
            </div>
            <div class="head">
                <div class="eye"><div class="nose"></div></div>
                <div class="mouth"></div>
            </div>
            <div class="arm-right"><div class="club"></div></div>
        </div>
    </div>
</body>
</html>
